Banishment to a remote part of one's own country as a punishment or sanction(noun)
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Use "internal exile" in a sentence
"Former Soviet leader Mikhail Gorbachev, whose reforms included freeing Ms. Bonner and her husband from internal exile in 1986, issued a statement Sunday calling Ms. Bonner "a noble personality" who until her death "remained a courageous fighter for rights and dignity.""
"Separating mentor and protégé, Riaz Pasha sentenced Mohammed Abdu to internal exile at the village of his birth."